Base | Representation |
---|---|
bin | 1110100100101… |
… | …01111101000111 |
3 | 22112000220010220 |
4 | 13102111331013 |
5 | 222243432111 |
6 | 20044115423 |
7 | 3013046112 |
oct | 722257507 |
9 | 275026126 |
10 | 122249031 |
11 | 63008563 |
12 | 34b35b73 |
13 | 1c433808 |
14 | 12343579 |
15 | aaebe06 |
hex | 7495f47 |
122249031 has 8 divisors (see below), whose sum is σ = 163050864. Its totient is φ = 81473280.
The previous prime is 122249009. The next prime is 122249033. The reversal of 122249031 is 130942221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122249031 - 26 = 122248967 is a prime.
It is a super-2 number, since 2×1222490312 = 29889651160877922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122248992 and 122249010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122249033) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11671 + ... + 19511.
It is an arithmetic number, because the mean of its divisors is an integer number (20381358).
Almost surely, 2122249031 is an apocalyptic number.
122249031 is a deficient number, since it is larger than the sum of its proper divisors (40801833).
122249031 is an equidigital number, since it uses as much as digits as its factorization.
122249031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13041.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 122249031 is about 11056.6283739665. The cubic root of 122249031 is about 496.3047995961.
The spelling of 122249031 in words is "one hundred twenty-two million, two hundred forty-nine thousand, thirty-one".
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